FloatActivity.java
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package com.cnlive.demo.stream;
import android.app.Activity;
import android.app.Application;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.PixelFormat;
import android.hardware.SensorManager;
import android.net.Uri;
import android.opengl.GLSurfaceView;
import android.os.Build;
import android.provider.Settings;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.OrientationEventListener;
import android.view.Surface;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.Toast;
import com.cnlive.libs.stream.Streamer;
public class FloatActivity extends Activity {
private static final String TAG = "FloatViewActivity";
private final static int OVERLAY_PERMISSION_RESULT_CODE = 10;
private GLSurfaceView mCameraView;
private int mLastRotation;
private OrientationEventListener mOrientationEventListener;
//preview window just demo
private FloatView mFloatLayout; //悬浮窗口的layout, 可以是xml,也可以在代码中创建
private ImageView mFloatClose; //关闭悬浮窗口
private ImageView mFloatBack; //跳转到上一个页面，不停止推流
private WindowManager.LayoutParams mWmParams; //layout的布局
private WindowManager mWindowManager;
private volatile boolean mPreviewWindowShow = false; //悬浮摄像头预览window是否正在显示
//ButtonListener
private ButtonObserver mObserverButton; //所有按键响应
// logo path
private String mLogoPath = "file:///sdcard/test.png";
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
Log.d(TAG, "onCreate");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_float);
mObserverButton = new ButtonObserver();
mLastRotation = getDisplayRotation();
mFloatBack = (ImageView) findViewById(R.id.float_back);
mFloatBack.setOnClickListener(mObserverButton);
mOrientationEventListener = new OrientationEventListener(this,
SensorManager.SENSOR_DELAY_NORMAL) {
@Override
public void onOrientationChanged(int orientation) {
int rotation = getDisplayRotation();
if (rotation != mLastRotation) {
Log.d(TAG, "Rotation changed " + mLastRotation + "->" + rotation);
onSwitchRotate();
mLastRotation = rotation;
}
}
};
if (mOrientationEventListener.canDetectOrientation()) {
mOrientationEventListener.enable();
}
addFloatViewWithPermCheck();
}
@Override
protected void onResume() {
Log.d(TAG, "onResume");
super.onResume();
}
@Override
protected void onPause() {
Log.d(TAG, "onPause");
super.onPause();
}
@Override
protected void onDestroy() {
Log.d(TAG, "onDestroy");
super.onDestroy();
if (mOrientationEventListener != null) {
mOrientationEventListener.disable();
}
removeSurfaceWindow();
CNGlobalStreamer.setInstance(null);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
onBackoffClick();
return true;
default:
break;
}
return super.onKeyDown(keyCode, event);
}
private void onBackoffClick() {
CNGlobalStreamer.getInstance().pause();
CNGlobalStreamer.getInstance().setDisplayPreview((GLSurfaceView) null);
FloatActivity.this.finish();
}
/**
* 初始化悬浮窗口示例
*/
private void initSurfaceWindow() {
if (mWindowManager == null) {
mWmParams = new WindowManager.LayoutParams();
mWindowManager = (WindowManager) getApplication().
getSystemService(Application.WINDOW_SERVICE);
//设置window type
mWmParams.type = WindowManager.LayoutParams.TYPE_TOAST;
//设置图片格式，效果为背景透明
mWmParams.format = PixelFormat.RGBA_8888;
//设置浮动窗口不可聚焦（实现操作除浮动窗口外的其他可见窗口的操作）
mWmParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
//开启硬件加速，以支持TextureView
mWmParams.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
//接收touch事件
mWmParams.flags |= WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
//排版不受限制
mWmParams.flags |= WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
//调整悬浮窗显示的停靠位置为右侧底部
mWmParams.gravity = Gravity.RIGHT | Gravity.BOTTOM;
// 以屏幕左上角为原点，设置x、y初始值，相对于gravity
mWmParams.x = 0;
mWmParams.y = 0;
//设置悬浮窗口长宽数据(这里取屏幕长宽的等比率缩小值作为悬浮窗口的长宽)
int screenWidth = mWindowManager.getDefaultDisplay().getWidth();
int screenHeight = mWindowManager.getDefaultDisplay().getHeight();
int width;
int height;
boolean isLandscape = (getDisplayRotation() % 180) != 0;
if ((isLandscape && screenWidth < screenHeight) ||
(!isLandscape) && screenWidth > screenHeight) {
screenWidth = mWindowManager.getDefaultDisplay().getHeight();
screenHeight = mWindowManager.getDefaultDisplay().getWidth();
}
if (screenWidth < screenHeight) {
width = align(screenWidth / 3, 8);
height = align(screenHeight / 3, 8);
} else {
width = align(screenWidth / 3, 8);
height = align(screenHeight / 3, 8);
}
mWmParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
mWmParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
LayoutInflater inflater = LayoutInflater.from(getApplication());
//获取浮动窗口视图所在布局
mFloatLayout = (FloatView) inflater.inflate(R.layout.float_preview, null);
mFloatClose = new ImageView(this);
mFloatClose.setImageResource(R.drawable.float_close);
mFloatClose.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onBackoffClick();
}
});
mCameraView = new GLSurfaceView(this);
CNGlobalStreamer.getInstance().setDisplayPreview(mCameraView);
RelativeLayout.LayoutParams previewLayoutParams =
new RelativeLayout.LayoutParams(width, height);
mFloatLayout.addView(mCameraView, previewLayoutParams);
RelativeLayout.LayoutParams closeParams =
new RelativeLayout.LayoutParams(50, 50);
closeParams.setMargins(10,10,0,0);
mFloatLayout.addView(mFloatClose, closeParams);
mFloatLayout.setWmParams(mWmParams);
}
}
private class ButtonObserver implements View.OnClickListener {
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.float_back:
onBackoffClick();
break;
default:
break;
}
}
}
private void addSurfaceWindow() {
if (mWindowManager != null) {
//添加mFloatLayout
mWindowManager.addView(mFloatLayout, mWmParams);
}
mPreviewWindowShow = true;
}
private void removeSurfaceWindow() {
if (mWindowManager != null) {
mWindowManager.removeViewImmediate(mFloatLayout);
}
mPreviewWindowShow = false;
}
private void updateViewPosition() {
if (mWmParams != null && mWindowManager != null) {
mWmParams.gravity = Gravity.RIGHT | Gravity.BOTTOM;
// 以屏幕左上角为原点，设置x、y初始值，相对于gravity
mWmParams.x = 0;
mWmParams.y = 0;
mWindowManager.updateViewLayout(mFloatLayout, mWmParams); //刷新显示
}
}
private int align(int val, int align) {
return (val + align - 1) / align * align;
}
private int getDisplayRotation() {
int rotation = getWindowManager().getDefaultDisplay().getRotation();
switch (rotation) {
case Surface.ROTATION_0:
return 0;
case Surface.ROTATION_90:
return 90;
case Surface.ROTATION_180:
return 180;
case Surface.ROTATION_270:
return 270;
}
return 0;
}
private void addFloatViewWithPermCheck() {
// 6.0 需要检查overlay权限
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Settings.canDrawOverlays(this)) {
Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION,
Uri.parse("package:" + getPackageName()));
startActivityForResult(intent, OVERLAY_PERMISSION_RESULT_CODE);
} else {
initSurfaceWindow();
addSurfaceWindow();
}
}
/**
* 申请overlay权限窗口返回
*
* @param requestCode
* @param resultCode
* @param data
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == OVERLAY_PERMISSION_RESULT_CODE) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (!Settings.canDrawOverlays(this)) {
// SYSTEM_ALERT_WINDOW permission not granted...
Toast.makeText(FloatActivity.this, "SYSTEM_ALERT_WINDOW not granted",
Toast.LENGTH_SHORT).show();
} else {
initSurfaceWindow();
addSurfaceWindow();
}
}
}
}
/**
* 旋转摄像头预览示例代码
*/
private void onSwitchRotate() {
if (mPreviewWindowShow) {
int rotation = getDisplayRotation();
Log.i(TAG, "onSwitchRotate: " + mLastRotation + "->" + rotation);
CNGlobalStreamer.getInstance().setRotateDegrees(rotation);
boolean isLastLandscape = (mLastRotation % 180) != 0;
boolean isLandscape = (rotation % 180) != 0;
if (isLastLandscape != isLandscape) {
int width = mCameraView.getHeight();
int height = mCameraView.getWidth();
RelativeLayout.LayoutParams previewLayoutParams =
(RelativeLayout.LayoutParams) mCameraView.getLayoutParams();
previewLayoutParams.width = width;
previewLayoutParams.height = height;
//更新CameraPreview布局
mFloatLayout.updateViewLayout(mCameraView, previewLayoutParams);
updateViewPosition();
updateWaterMark(isLandscape);
}
}
}
// update water mark position while screen orientation changed
private void updateWaterMark(boolean isLandscape) {
Streamer streamer = CNGlobalStreamer.getInstance();
streamer.hideWaterMarkLogo();
streamer.hideWaterMarkTime();
if (!isLandscape) {
streamer.showWaterMarkLogo(mLogoPath, 0.08f, 0.04f, 0.20f, 0, 0.8f);
streamer.showWaterMarkTime(0.03f, 0.01f, 0.35f, Color.WHITE, 1.0f);
} else {
streamer.showWaterMarkLogo(mLogoPath, 0.05f, 0.09f, 0, 0.20f, 0.8f);
streamer.showWaterMarkTime(0.01f, 0.03f, 0.22f, Color.WHITE, 1.0f);
}
}
}